Stay updated with real-time air quality in Union City, New Jersey featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
38
Good
Union City, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.91 μg/m³
0
55
155
255
425
605+
16.02 ppb
0
55
71
86
201
201+
0.91 ppb
0
36
76
186
605
1005+
8.91 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Union City, New Jersey
Union City, New Jersey
Scroll To Air Quality MapLoading...
AQI 27
Good
5.23μg/m³
PM2.5
23.12μg/m³
PM10
28.23ppb
O3
0.88ppb
SO2
9.39ppb
NO2
0.28ppm
CO
AQI 27
Good
5.41μg/m³
PM2.5
23.97μg/m³
PM10
27.14ppb
O3
0.88ppb
SO2
9.52ppb
NO2
0.27ppm
CO
AQI 33
Good
5.55μg/m³
PM2.5
24.63μg/m³
PM10
26.26ppb
O3
0.87ppb
SO2
9.63ppb
NO2
0.27ppm
CO
AQI 33
Good
5.61μg/m³
PM2.5
24.92μg/m³
PM10
27.32ppb
O3
0.90ppb
SO2
8.71ppb
NO2
0.28ppm
CO
AQI 33
Good
5.55μg/m³
PM2.5
24.63μg/m³
PM10
26.26ppb
O3
0.87ppb
SO2
9.63ppb
NO2
0.27ppm
CO
AQI 33
Good
5.75μg/m³
PM2.5
25.74μg/m³
PM10
28.54ppb
O3
0.94ppb
SO2
7.09ppb
NO2
0.29ppm
CO
Air quality and pollutant data for New Jersey, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Union City, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Union City, New Jersey was at its worst at 01:00:00 on 2026-08-05.
In the last 24 hours, the best air quality in Union City, New Jersey was observed at 09:00:00 on 2026-08-05.
As of now, the AQI in Union City, New Jersey is 38, indicating Good conditions.
Union City, New Jersey air has the highest levels of PM2.5.
Poor air quality in Union City, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Union City, New Jersey are currently 6.981 μg/m3.
The PM10 concentration in Union City, New Jersey is 30.914 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Union City, New Jersey is 0.194 ppm.
Currently, Union City, New Jersey has a sulfur dioxide (SO2) concentration of 0.913 ppb.
The current ozone (O3) level in Union City, New Jersey at the moment is 16.022 ppm.
Nitrogen dioxide (NO2) level in Union City, New Jersey at the moment is 8.911 ppb.
All Rights Reserved © Ambee Inc. 2025